ArticleMicrobial biotechnology2025
Early-Life Ceftriaxone-Induced Gut Microbiota Perturbation Persistently Exacerbates Juvenile ADHD-Like Behaviours via Immune Dysfunction in SHR/WKY Rats.
Article in Microbial biotechnology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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9 authors.
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Abstract
This study investigated the impact of ceftriaxone-induced gut microbiota perturbation in neonatal male spontaneous hypertensive rats (SHR) and Wistar-Kyoto (WKY) rats during lactation on the development of juvenile ADHD symptoms. The 5-choice serial reaction time task (5-CSRTT) and open-field test (OFT) were used to evaluate ADHD-related behaviours, and alterations in immune pathways within the microbiota-gut-brain axis were examined. At 3 weeks old, the gut microbiota in both WKY and SHR was significantly disrupted following antibiotic intervention, with these changes persisting 4 weeks after ceftriaxone withdrawal. At the juvenile stage, WKY exhibited inattention, impulsivity, and hyperactivity, while SHR had severe hyperactivity and neuroinflammation. Decreased Chao1 and Shannon indices were positively associated with Treg cells in the spleen, mesenteric lymph nodes (MLN), and IL-10 mRNA expression in the striatum; further, the latter biochemical indices were negatively associated with ADHD symptoms. Lactobacillus and Clostridia_UCG-014 negatively correlated with Treg cells in the spleen, MLN, IL-6, and IL-10 mRNA expression in the striatum; further, these biomarkers were negatively associated with ADHD, which suggested they may contribute to the development of ADHD. In contrast, Muribaculaceae positively correlated with Treg cells in the spleen and MLN, IL-10 mRNA expression, and negatively correlated with ADHD symptoms. These results suggest that early life gut microbiota perturbation persistently contributes to the onset and aggravation of juvenile ADHD through the exacerbation of neuroinflammation and peripheral immune dysfunction.
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